Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1215275

Re: [Xen-devel] [PATCH] xen: avoid early crash of memory limited dom0

From David Vrabel <david.vrabel@citrix.com>
Newsgroups linux.kernel
Subject Re: [Xen-devel] [PATCH] xen: avoid early crash of memory limited dom0
Date 2015-08-28 12:50 +0200
Message-ID <q2pol-PO-3@gated-at.bofh.it> (permalink)
References <pZfbP-3Xo-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 19/08/15 17:52, Juergen Gross wrote:
> Commit b1c9f169047b ("xen: split counting of extra memory pages...")
> introduced an error when dom0 was started with limited memory.
> 
> The problem arises in case dom0 is started with initial memory and
> maximum memory being the same and exactly a multiple of 1 GB. The
> kernel must be configured without CONFIG_XEN_BALLOON_MEMORY_HOTPLUG
> for the problem to happen. In this case it will crash very early
> during boot due to the virtual mapped p2m list not being large
> enough to be able to remap any memory:

Applied to for-linus-4.3, thanks.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

Re: [Xen-devel] [PATCH] xen: avoid early crash of memory limited  dom0 David Vrabel <david.vrabel@citrix.com> - 2015-08-28 12:50 +0200

csiph-web